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Finding the Fourth Proportional to 153.36, 210.26 and 150.63

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Solution

The fourth proportional to 153.36, 210.26 and 150.63 is: 206.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    153.36 : 210.26 = 150.63 : x
  2. Step 2: Convert to fraction form
    153.36/210.26 = 150.63/x
  3. Step 3: Cross multiply
    153.36x = 210.26 × 150.63
  4. Step 4: Simplify right side
    153.36x = 31,671.46
  5. Step 5: Solve for x
    x = 31,671.46/153.36
  6. Step 6: Final answer
    x = 206.52

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.